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Finding the Fourth Proportional to 427,957.88, 590,574.64 and 236,967.16

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Solution

The fourth proportional to 427,957.88, 590,574.64 and 236,967.16 is: 327,010.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,957.88 : 590,574.64 = 236,967.16 : x
  2. Step 2: Convert to fraction form
    427,957.88/590,574.64 = 236,967.16/x
  3. Step 3: Cross multiply
    427,957.88x = 590,574.64 × 236,967.16
  4. Step 4: Simplify right side
    427,957.88x = 139,946,795,208.82
  5. Step 5: Solve for x
    x = 139,946,795,208.82/427,957.88
  6. Step 6: Final answer
    x = 327,010.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.